Forces and Interactions Quiz
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Questions and Answers

What is the main difference between contact and non-contact forces?

  • Contact forces operate in one direction, while non-contact forces operate in multiple directions.
  • Contact forces only affect stationary objects, while non-contact forces affect moving objects.
  • Contact forces are stronger, while non-contact forces are weaker.
  • Contact forces involve direct touch, while non-contact forces push or pull without touching. (correct)
  • Which of the following is an example of a non-contact force?

  • Frictional force
  • Air resistance force
  • Tension force
  • Gravity (correct)
  • What kind of force fills a parachute with air to make it land more slowly?

  • Tension force
  • Gravity
  • Air resistance force (correct)
  • Frictional force
  • If an object moves across a surface, which force is responsible for the effort needed to move it?

    <p>Frictional force</p> Signup and view all the answers

    What does tension force involve when an object like a string, rope, wire, or cable is stretched?

    <p>It draws objects together without touching.</p> Signup and view all the answers

    Which force attracts objects 'downward' to the ground and is experienced by everything on Earth?

    <p>Gravity</p> Signup and view all the answers

    Rollers are attached to the object that they are moving.

    <p>False</p> Signup and view all the answers

    Rollers and wheels are the same because they both have an axle that holds them in place.

    <p>False</p> Signup and view all the answers

    Rollers reduce resistance caused by friction, making it easier to move objects.

    <p>True</p> Signup and view all the answers

    Ancient Egyptians used rollers to build the Great Pyramids faster than expected due to the machinery available during that time.

    <p>False</p> Signup and view all the answers

    Rollers are still used today in some warehouses, stores, and bottle depots.

    <p>True</p> Signup and view all the answers

    A rolling pin is an example of a roller used to help in baking.

    <p>True</p> Signup and view all the answers

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